Worm:Win32/Yuner.A removal tips

The Worm:Win32/Yuner.A is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Worm:Win32/Yuner.A virus can do?

• A file was accessed within the Public folder.
• Sample contains Overlay data
• Uses Windows utilities for basic functionality
• Reads data out of its own binary image
• Drops a binary and executes it
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Creates an autorun.inf file
• Authenticode signature is invalid
• Attempts to identify installed AV products by registry key
• Attempts to disable System Restore
• Attempts to disable Windows File Protection aka System File Checker.
• Touches a file containing cookies, possibly for information gathering
• Attempts to modify or disable Security Center warnings
• Attempts to modify Explorer settings to prevent file extensions from being displayed
• Attempts to modify Explorer settings to prevent hidden files from being displayed
• Yara detections observed in process dumps, payloads or dropped files

How to determine Worm:Win32/Yuner.A?

File Info:
name: BE725082CFBD0AD8DBE2.mlw
path: /opt/CAPEv2/storage/binaries/1fe042444e282aaa8c4e9f9dd1b5d03eb508d66d11b912d598ff416c81dc6607
crc32: AC472181
md5: be725082cfbd0ad8dbe2fa64b37a1d22
sha1: 996c06c57a28cef7faf0b591d71876e4a9981c5d
sha256: 1fe042444e282aaa8c4e9f9dd1b5d03eb508d66d11b912d598ff416c81dc6607
sha512: f93d9cc5fd4fd6ab6f10661340e7e9c2f1b5518dea5fa03cdaf518f9adced231e3c52946ef4fdb0c0e07664ece7d4f148a5f596b7ae26975e33b24a9b60ea905
ssdeep: 3072:MMDb50WrZa8jCgae5+VQkGdUQFDxePZ2SBaQJXkNRtXlNGKaUIQW/qlQBG3mmTJq:1xlZam+akqx6YQJXcNlEHUIQeE3mmBIf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12B4412C2A6D95AE6ECC619771A23DF841F55FE3169C60A10BA04B16F49F73C1AA13323
sha3_384: becfc415a96286d1483ca4a9cf2085d17f1114edfb948d11d8548425429fada398282ffddc975e079aab28d907410a61
ep_bytes: 60be002046008dbe00f0f9ff57eb0b90
timestamp: 2007-09-10 14:57:50

Version Info:
FileDescription: 
Virus.Name.: ., ., ., .
Nuyer.........: ...... .. ...... : ., ., ., .
Translation: 0x0809 0x04b0

Worm:Win32/Yuner.A also known as:

How to remove Worm:Win32/Yuner.A?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.